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1 Abstract In this paper, we consider an operational routing problem to decide the daily routes of logging trucks in forestry. The industrial problem is difficult and includes aspects such as pickup and delivery with split pickups, multiple products, time windows, several time periods, multiple depots, driver changes and a heterogeneous truck fleet. In(More)
The pulp and paper industry depends on a long and integrated supply chain. It starts in forest harvest areas as trees and ends as multiple products used in all persons daily usage. The lead time from the first step to the last is long and it involves many steps operated by several companies and organizations. In this overview paper we describe the overall(More)
In this paper we consider the complete supply chain for a large pulp producer in Sweden. The supply chain is divided up in two parts, the pulp production planning problem and the distribution to customers problem. We focus on the overall problem and the interaction between the partial problems and discuss how to solve these simultaneously in a supply chain(More)
We study the supply chain problem of a large international pulp producer with five pulp mills located in Scandi-navia. The company currently uses manual planning for most of its supply chain, which includes harvesting and transportation of pulp, production scheduling and distribution of products to customers. We have developed two new mixed integer models(More)